VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

xvtsaeulp.ASX	Advanced Stream Redirector
xvtsaeulp.DTS	Digital Theater Systems Audio File
xvtsaeulp.GXF	General eXchange Format
xvtsaeulp.M2V	MPEG-2 Video
xvtsaeulp.M3U	MP3 Uniform Resource Locator
xvtsaeulp.M4V	MPEG-4 Video File
xvtsaeulp.MPEG1	MPEG-1 Video
xvtsaeulp.MPEG2	MPEG-2 Video
xvtsaeulp.MTS	AVCHD Video File
xvtsaeulp.MXF	Material eXchange Format
xvtsaeulp.OGM	Ogg Multimedia Container File
xvtsaeulp.PLS	Playlist
xvtsaeulp.BUP	DVD Information File
xvtsaeulp.A52	Dolby Digital AC-3 Compressed Audio File
xvtsaeulp.AAC	Advanced Audio Coding Compressed Audio File
xvtsaeulp.B4S	Winamp 3+ Playlist
xvtsaeulp.CUE	Cue Sheet
xvtsaeulp.DIVX	DivX Movie
xvtsaeulp.DV	Digital Video
xvtsaeulp.FLV	Flash Video
xvtsaeulp.M1V	MPEG-1 Video
xvtsaeulp.M2TS	MPEG-2 Transport Stream Videos
xvtsaeulp.MKV	Matroska Video Stream
xvtsaeulp.MOV	Apple QuickTime Movie
xvtsaeulp.MPEG4	MPEG-4 Video
xvtsaeulp.OMA	OpenMG Audio File
xvtsaeulp.SPX	Ogg Speex Audio File
xvtsaeulp.TS	DVD Video
xvtsaeulp.VLC	VLC Media Player Data
xvtsaeulp.VOB	DVD Video Object
xvtsaeulp.XSPF	XML Shareable Playlist Format
xvtsaeulp.DAT	VCD Video
xvtsaeulp.BIN	Binary DVD Video
xvtsaeulp.IFO	DVD Information File
xvtsaeulp.PART	Partially Downloaded File
xvtsaeulp.3G2	3G Mobile Phone Video
xvtsaeulp.AVI	Audio Video Interleave
xvtsaeulp.MPEG	MPEG Video
xvtsaeulp.MPG	MPEG Video
xvtsaeulp.FLAC	Free Lossless Audio Codec Compressed Audio FIle
xvtsaeulp.M4A	MPEG-4 Audio File
xvtsaeulp.MP1	MPEG-1 Audio Layer I
xvtsaeulp.OGG	Ogg Multimedia Container File
xvtsaeulp.WAV	Waveform Audio
xvtsaeulp.XM	Extended Module Audio File
xvtsaeulp.3GP	3G Mobile Phone Video
xvtsaeulp.SRT	DVD Subtitles File
xvtsaeulp.WMV	Windows Media Video
xvtsaeulp.AC3	Dolby Digital AC-3 Compressed Audio File
xvtsaeulp.ASF	Advanced Systems Format Video
xvtsaeulp.MOD	MOD Audio File
xvtsaeulp.MP2	MPEG-1 Audio Layer II
xvtsaeulp.MP3	MPEG-1 Audio Layer 3
xvtsaeulp.MP4	MPEG-4 Part 14 Multimedia Container
xvtsaeulp.WMA	Windows Media Audio File
xvtsaeulp.MKA	Matroska Audio Stream
xvtsaeulp.M4P	Protected AAC File

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